NPANXXCLLICity, STTelco
312 204 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 274 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 302 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 306 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 337 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 573 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 640 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 703 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 712 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS
312 787 CHCGILSUDS1 CHICGOZN01 AMERITECH ILLINOIS